Add functionality for parsing H264 profile-level-id

webrtc/media/base/codec_unittest.cc

 /*
  *  Copyright (c) 2009 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #include "webrtc/base/gunit.h"
+#include "webrtc/common_types.h"
 #include "webrtc/media/base/codec.h"
 
 using cricket::AudioCodec;
 using cricket::Codec;
 using cricket::DataCodec;
 using cricket::FeedbackParam;
 using cricket::VideoCodec;
 using cricket::kCodecParamAssociatedPayloadType;
 using cricket::kCodecParamMaxBitrate;
 using cricket::kCodecParamMinBitrate;
@@ skipping 288 matching lines @@
   EXPECT_EQ(cricket::kVideoCodecClockrate, codec_params_1.clock_rate);
   EXPECT_EQ(1, codec_params_1.channels);
 
   const AudioCodec a(97, "A", 44100, 20000, 2);
   webrtc::RtpCodecParameters codec_params_2 = a.ToCodecParameters();
   EXPECT_EQ(97, codec_params_2.payload_type);
   EXPECT_EQ("A", codec_params_2.mime_type);
   EXPECT_EQ(44100, codec_params_2.clock_rate);
   EXPECT_EQ(2, codec_params_2.channels);
 }
+
+TEST(H264ProfileLevelIdParsing, TestInvalid) {
+  // Malformed strings.

[tommi, 2016/10/28 10:09:47]

test too long strings too?

[magjed_webrtc, 2016/10/28 14:59:27]

Done, I added a test with 8 hex characters. I also already have one test with a
leading space that is 7 characters.

+  EXPECT_FALSE(webrtc::ParseH264ProfileLevelId(""));
+  EXPECT_FALSE(webrtc::ParseH264ProfileLevelId(" 42e01f"));
+  EXPECT_FALSE(webrtc::ParseH264ProfileLevelId("e01f"));
+  EXPECT_FALSE(webrtc::ParseH264ProfileLevelId("gggggg"));
+
+  // Invalid level.
+  EXPECT_FALSE(webrtc::ParseH264ProfileLevelId("42e000"));
+  EXPECT_FALSE(webrtc::ParseH264ProfileLevelId("42e00f"));
+  EXPECT_FALSE(webrtc::ParseH264ProfileLevelId("42e0ff"));
+
+  // Invalid profile.
+  EXPECT_FALSE(webrtc::ParseH264ProfileLevelId("42e11f"));
+  EXPECT_FALSE(webrtc::ParseH264ProfileLevelId("58601f"));
+  EXPECT_FALSE(webrtc::ParseH264ProfileLevelId("64e01f"));
+}
+
+TEST(H264ProfileLevelIdParsing, TestLevel) {
+  EXPECT_EQ(webrtc::kH264Level3_1,
+            webrtc::ParseH264ProfileLevelId("42e01f")->level);
+  EXPECT_EQ(webrtc::kH264Level1_1,
+            webrtc::ParseH264ProfileLevelId("42e00b")->level);
+  EXPECT_EQ(webrtc::kH264Level1_b,
+            webrtc::ParseH264ProfileLevelId("42f00b")->level);
+  EXPECT_EQ(webrtc::kH264Level4_2,
+            webrtc::ParseH264ProfileLevelId("42C02A")->level);
+  EXPECT_EQ(webrtc::kH264Level5_2,
+            webrtc::ParseH264ProfileLevelId("640c34")->level);
+}
+
+TEST(H264ProfileLevelIdParsing, TestConstrainedBaseline) {
+  EXPECT_EQ(webrtc::kProfileConstrainedBaseline,
+            webrtc::ParseH264ProfileLevelId("42e01f")->profile);
+  EXPECT_EQ(webrtc::kProfileConstrainedBaseline,
+            webrtc::ParseH264ProfileLevelId("42C02A")->profile);
+  EXPECT_EQ(webrtc::kProfileConstrainedBaseline,
+            webrtc::ParseH264ProfileLevelId("4de01f")->profile);
+  EXPECT_EQ(webrtc::kProfileConstrainedBaseline,
+            webrtc::ParseH264ProfileLevelId("58f01f")->profile);
+}
+
+TEST(H264ProfileLevelIdParsing, TestBaseline) {
+  EXPECT_EQ(webrtc::kProfileBaseline,
+            webrtc::ParseH264ProfileLevelId("42a01f")->profile);
+  EXPECT_EQ(webrtc::kProfileBaseline,
+            webrtc::ParseH264ProfileLevelId("58A01F")->profile);
+}
+
+TEST(H264ProfileLevelIdParsing, TestMain) {
+  EXPECT_EQ(webrtc::kProfileMain,
+            webrtc::ParseH264ProfileLevelId("4D401f")->profile);
+}
+
+TEST(H264ProfileLevelIdParsing, TestHigh) {
+  EXPECT_EQ(webrtc::kProfileHigh,
+            webrtc::ParseH264ProfileLevelId("64001f")->profile);
+}
+
+TEST(H264ProfileLevelIdParsing, TestConstrainedHigh) {
+  EXPECT_EQ(webrtc::kProfileConstrainedHigh,
+            webrtc::ParseH264ProfileLevelId("640c1f")->profile);
+}